Home / 380,249,354.88-570,367,908.72-121,462,869.60

Finding the Fourth Proportional to 380,249,354.88, 570,367,908.72 and 121,462,869.60

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Solution

The fourth proportional to 380,249,354.88, 570,367,908.72 and 121,462,869.60 is: 182,192,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,249,354.88 : 570,367,908.72 = 121,462,869.60 : x
  2. Step 2: Convert to fraction form
    380,249,354.88/570,367,908.72 = 121,462,869.60/x
  3. Step 3: Cross multiply
    380,249,354.88x = 570,367,908.72 × 121,462,869.60
  4. Step 4: Simplify right side
    380,249,354.88x = 69,278,522,920,882,064
  5. Step 5: Solve for x
    x = 69,278,522,920,882,064/380,249,354.88
  6. Step 6: Final answer
    x = 182,192,348.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.